@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary: #059669; /* Emerald */
  --primary-light: #10b981;
  --primary-dark: #047857;
  --secondary: #523e42; /* Logo Brown */
  --accent: #f38f51; /* Logo Orange */
  
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  
  --text-main: #334155;
  --text-heading: #0f172a;
  --text-muted: #64748b;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-light);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- NAVIGATION --- */
header {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

header.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  order: 1;
}

.header-tagline {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary-dark);
  line-height: 1.3;
  max-width: 180px;
  border-left: 3px solid var(--accent);
  padding-left: 0.9rem;
}

.logo-img {
  height: 120px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 1.2rem;
  order: 2;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--secondary);
  position: relative;
  padding-bottom: 0.25rem;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--primary);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  order: 1;
}

.mobile-menu-btn span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--secondary);
  margin: 5px 0;
  transition: var(--transition);
}

/* --- HERO SECTION --- */
.hero {
  position: relative;
  padding: 8rem 0;
  background: linear-gradient(135deg, rgba(248, 250, 252, 0.9) 0%, rgba(226, 232, 240, 0.9) 100%), url('https://images.unsplash.com/photo-1579684385127-1ef15d508118?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80') center/cover;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(5, 150, 105, 0.1), rgba(243, 143, 81, 0.1));
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  animation: fadeUp 1s ease-out;
}

.hero-tagline {
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: inline-block;
  background: rgba(255,255,255,0.8);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-xl);
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--secondary);
}

.hero h1 span {
  color: var(--primary);
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-main);
  margin-bottom: 2rem;
}

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-xl);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(5, 150, 105, 0.39);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(5, 150, 105, 0.23);
  color: white;
}

/* --- SECTION TYPOGRAPHY --- */
.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(to right, var(--primary), var(--accent));
  border-radius: 2px;
}

section {
  padding: 5rem 0;
}

/* --- CARDS & GRID --- */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

.card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.05);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: rgba(5, 150, 105, 0.1);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

/* --- PRODUCT CARDS --- */
.product-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-image-container {
  height: 200px;
  background: linear-gradient(135deg, #f0fdf4 0%, #e0f2fe 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  position: relative;
}

.product-img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 10px 15px rgba(0,0,0,0.1));
  transition: transform 0.5s ease;
}

.product-card:hover .product-img {
  transform: scale(1.05);
}

.product-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-title {
  color: var(--primary-dark);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.product-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  flex-grow: 1;
}

.product-composition {
  background: var(--bg-light);
  padding: 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  color: var(--secondary);
  border-left: 3px solid var(--accent);
}

/* --- LISTS --- */
.feature-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
}
.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

/* --- FOOTER --- */
footer {
  background-color: var(--secondary);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-content > div:nth-child(1) {
  order: 1;
  text-align: left;
}
.footer-content > div:nth-child(2) {
  order: 2;
}
.footer-content > div:nth-child(3) {
  order: 3;
}

.footer-logo {
  background: white;
  padding: 1rem;
  border-radius: var(--radius-md);
  display: inline-block;
  margin-bottom: 1.5rem;
}

.footer-logo img {
  height: 100px;
  width: auto;
}

.footer-heading {
  color: var(--accent);
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 5px;
}

.contact-info li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.contact-info i {
  color: var(--primary-light);
  margin-top: 5px;
}

.copyright {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
}

/* --- ANIMATIONS --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: 0.8s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    gap: 0;
    box-shadow: var(--shadow-md);
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: clip-path 0.4s ease-in-out;
  }
  
  .nav-links.active {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }

  .nav-links a {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--bg-light);
    display: block;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero h1 { font-size: 2.5rem; }
  .section-title { font-size: 2rem; }
}